城镇土地定级因素经过适当的筛选分出主导因素和()。
A.必选因素
B.非主导因素
C.因子因素
D.派生因素
参考答案:B
解析:城镇土地定级因素经过适当的筛选分出主导因素和非主导因素。
Which of the following factors is most likely to increase aggregate demand()
A. Increasing real interest rates.
B. An expected decrease in future prices.
C. An increase in real wealth.
IP报文的报文头最少有()个字节。
A、16
B、20
C、24
D、40